High-speed solid-liquid separation equipment of high-flow circulating granulation fluidized bed

A solid-liquid separation, fluidized bed technology, applied in the direction of precipitation separation, separation method, special binder granulation, etc., can solve the problem of small amount of water to be treated, and achieve the effect of convenient water discharge, reduced equipment installation height, and simple and convenient operation.

Pending Publication Date: 2021-01-19
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a high-speed solid-liquid separation equipment for a large-flow circulating granulation fluidized bed. The technical problem of bed treatment water volume is small

Method used

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  • High-speed solid-liquid separation equipment of high-flow circulating granulation fluidized bed

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Embodiment 1

[0050] This embodiment provides a high-speed solid-liquid separation equipment for a large-flow circulating granulation fluidized bed, including the main device of the fluidized bed, such as Figure 1 to Figure 5 As shown, the main device of the fluidized bed includes a base frame 1, on which a tank body 2 is fixedly installed. Water District 6;

[0051] A middle cylinder 7 and an inner cylinder 8 are installed in the circulating granulation zone 4, and the tank body 2, the middle cylinder 7 and the inner cylinder 8 are arranged coaxially from the outside to the inside, and the inner cylinder 8 is a granulation fluidization zone 9, and the inner cylinder 8 The recirculation area 10 is between the middle cylinder 7 and the middle cylinder 7, and the sludge settlement area 11 is between the middle cylinder 7 and the tank body 2;

[0052] The tops of the middle cylinder 7 and the inner cylinder 8 are open and the top of the middle cylinder 7 is higher than the top of the inner c...

Embodiment 2

[0084] This embodiment provides a high-speed solid-liquid separation equipment for a large-flow circulating granulation fluidized bed, which is basically the same as the high-speed solid-liquid separation equipment for a large-flow circulating granulation fluidized bed in Example 1. The difference is that this implementation In the example, the separation zone 5 can also be equipped with a separation device, and different separation devices can be selected according to the difference in water quality. Such as vertical vortex enhanced separation device or suspension layer filtration separation device.

[0085] The vertical eddy current strengthening separation device adopts the vertical eddy current strengthening separation device known in the prior art.

[0086] Such as Figure 6 As shown, the suspension layer filtration solid-liquid separation device 22 is divided into upper and lower parts, the upper part is a static suspension layer 2201, the lower part is a stirring suspe...

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Abstract

The invention provides high-speed solid-liquid separation equipment of a high-flow circulating granulation fluidized bed. An inner cylinder mud particle flow guide device is arranged at the open top end of an inner cylinder, so that mud particles flowing out of a granulation fluidization area can flow to a back-flow area; an outer cylinder mud particle flow guide device is arranged at the top endof a middle cylinder, so that mud particles flowing out of the granulation fluidization area flow to a sludge settling area. The circulating granulation fluidized bed equipment is suitable for the diameter of 4-20 m, due to the fact that the diameter of the circulating granulation fluidized bed equipment is greatly increased compared with that of previous fluidized bed equipment, the mud particleflow guide devices are additionally arranged at the top of the inner cylinder and the top of the middle cylinder, mud particles are prevented from being deposited in the circulating granulation area,and a particle circulating fluidization structure is designed between the inner cylinder and the middle cylinder. The mud particles formed in the fluidized bed inner cylinder are recycled between theinner cylinder and the middle cylinder, so that suspended solids are continuously supplemented in the inner cylinder, the growth and renewal of the mud particles in the inner cylinder are ensured, andthe problems that the suspended solids are insufficient in supply and the particles in a separation area cannot grow are solved.

Description

technical field [0001] The invention belongs to the field of water treatment and relates to a granulation fluidized bed, in particular to a high-speed solid-liquid separation device for a large-flow circulating granulation fluidized bed. Background technique [0002] In recent years, in the field of water supply treatment, as the country has paid more and more attention to the environment and the efficient use of resources, water purification and wastewater recycling have received more and more attention. Therefore, the study of new agents and new processes for water quality treatment is the development direction of the research field of water treatment and turbidity removal. [0003] With the shortage of water resources, the serious pollution of the environment and the deepening implementation of national energy conservation and emission reduction policies, the task of water pollution control is getting heavier and heavier, and the concentration of suspended solids in water...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/52B01D21/28B01D21/24B01D21/00B01J2/28C02F101/30
CPCB01D21/0012B01D21/2433B01D21/286B01J2/28C02F1/52C02F2101/30
Inventor 黄廷林胡瑞柱
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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